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How far is Seattle, WA, from Chicago, IL?

The distance between Chicago (Chicago Midway International Airport) and Seattle (Seattle Boeing Field) is 1733 miles / 2789 kilometers / 1506 nautical miles.

The driving distance from Chicago (MDW) to Seattle (BFI) is 2054 miles / 3306 kilometers, and travel time by car is about 36 hours 32 minutes.

Chicago Midway International Airport – Seattle Boeing Field

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1733
Miles
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2789
Kilometers
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1506
Nautical miles

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Distance from Chicago to Seattle

There are several ways to calculate the distance from Chicago to Seattle. Here are two standard methods:

Vincenty's formula (applied above)
  • 1732.955 miles
  • 2788.921 kilometers
  • 1505.897 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula
  • 1728.468 miles
  • 2781.700 kilometers
  • 1501.998 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

How long does it take to fly from Chicago to Seattle?

The estimated flight time from Chicago Midway International Airport to Seattle Boeing Field is 3 hours and 46 minutes.

Flight carbon footprint between Chicago Midway International Airport (MDW) and Seattle Boeing Field (BFI)

On average, flying from Chicago to Seattle generates about 195 kg of CO2 per passenger, and 195 kilograms equals 430 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Chicago to Seattle

See the map of the shortest flight path between Chicago Midway International Airport (MDW) and Seattle Boeing Field (BFI).

Airport information

Origin Chicago Midway International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: MDW
ICAO Code: KMDW
Coordinates: 41°47′9″N, 87°45′8″W
Destination Seattle Boeing Field
City: Seattle, WA
Country: United States Flag of United States
IATA Code: BFI
ICAO Code: KBFI
Coordinates: 47°31′47″N, 122°18′7″W